Click on a day for an hourly weather forecast
The temperatures in Croatia in September are comfortable with low of 11°C and and high up to 23°C.
You can expect about 3 to 8 days of rain in Croatia during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Croatia in September 2025.
If you’re planning to visit Croatia in the near future, we highly recommend that you review the 14 day weather forecast for Croatia before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 4° / -2° | 6 | 15 | 10 | 67 mm | Awful | Croatia in January |
| February | 6° / 0° | 6 | 15 | 8 | 91 mm | Awful | Croatia in February |
| March | 12° / 3° | 5 | 23 | 3 | 65 mm | Bad | Croatia in March |
| April | 17° / 7° | 5 | 24 | 1 | 78 mm | Good | Croatia in April |
| May | 21° / 9° | 9 | 22 | 0 | 148 mm | Ok | Croatia in May |
| June | 25° / 13° | 8 | 22 | 0 | 134 mm | Good | Croatia in June |
| July | 28° / 15° | 6 | 25 | 0 | 109 mm | Perfect | Croatia in July |
| August | 29° / 15° | 4 | 27 | 0 | 88 mm | Good | Croatia in August |
| September | 23° / 11° | 6 | 24 | 0 | 124 mm | Perfect | Croatia in September |
| October | 17° / 7° | 5 | 25 | 0 | 98 mm | Good | Croatia in October |
| November | 11° / 4° | 6 | 22 | 2 | 107 mm | Bad | Croatia in November |
| December | 6° / 0° | 5 | 21 | 5 | 62 mm | Awful | Croatia in December |